In the example above, the cylinder's center point is attached to the sphere, pointing "up" from the perspective of the sphere's surface. For a sphere, a surface normal is defined everywhere that ...

Usually, when coloring a shape with the color() module, the parent color overrides the colors of all children. This is often not what you want: As with all of the attachable features, these color, ...

The sewing machine given to me by my grandma with zigzag stitch and buttonholer attachments (Photo by Justin Myers) Though from the late-1950s, it only required a simple tune-up to get it back in ...